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发明名称
BOREHOLE REAMER
摘要
申请公布号
SU1698414(A1)
申请公布日期
1991.12.15
申请号
SU19894683436
申请日期
1989.04.25
申请人
INST GORNOGO DELA;SVERDLOVSKIJ NII REZINOVOJ PROMYSHLENNOSTI
发明人
PAVLOV YURIJ A,SU;YAKIMOV IVAN T,SU;KULYASHOV VLADIMIR YU,SU;ORLOV ZINOVIJ D,SU;ORLOVA GALINA S,SU
分类号
E21B10/24
主分类号
E21B10/24
代理机构
代理人
主权项
地址
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